package business;

import java.io.IOException;
import java.sql.SQLException;

import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;

import orm.Teacher;
import orm.Users;

import util.*;
import dao.ActivityOptionDAO;
import dao.UserDAO;

public class LoginServlet extends HttpServlet {

	/**
	 * 
	 */
	private static final long serialVersionUID = 1L;

	/**
	 * Constructor of the object.
	 */
	public LoginServlet() {
		super();
	}

	/**
	 * Destruction of the servlet. <br>
	 */
	public void destroy() {
		super.destroy(); // Just puts "destroy" string in log
		// Put your code here
	}

	/**
	 * The doGet method of the servlet. <br>
	 *
	 * This method is called when a form has its tag value method equals to get.
	 * 
	 * @param request the request send by the client to the server
	 * @param response the response send by the server to the client
	 * @throws ServletException if an error occurred
	 * @throws IOException if an error occurred
	 */
	public void doGet(HttpServletRequest request, HttpServletResponse response)
			throws ServletException, IOException {

		doPost(request, response);
	}

	/**
	 * The doPost method of the servlet. <br>
	 *
	 * This method is called when a form has its tag value method equals to post.
	 * 
	 * @param request the request send by the client to the server
	 * @param response the response send by the server to the client
	 * @throws ServletException if an error occurred
	 * @throws IOException if an error occurred
	 */

	public void doPost(HttpServletRequest request, HttpServletResponse response)
			throws ServletException, IOException {
		HttpSession session = request.getSession();

		String strUserName = request.getParameter("UserName");
		String strPwd = request.getParameter("Pwd");
		UserDAO userDAO = new UserDAO();

		try{
			if(userDAO.UserLogin(strUserName, strPwd).getUserName() == null){
				request.setAttribute("flag", "flag");
				request.getRequestDispatcher("../jsp/login.jsp").forward(request, response);
//				return;
			} else {
				int ii = userDAO.UserRole(strUserName);
				request.setAttribute("Role", "" + ii);
				
				session.setAttribute("UserName", strUserName);
				
				request.getRequestDispatcher("../index.jsp").forward(request, response);
			}
		} catch (SQLException e) {
			e.printStackTrace();
		}
//		session.setAttribute("UserName", strUserName);
//		
//		request.getRequestDispatcher("../index.jsp").forward(request, response);
	}

	/**
	 * Initialization of the servlet. <br>
	 *
	 * @throws ServletException if an error occurs
	 */
	public void init() throws ServletException {
		
	}
}
